Echo Cancellation; Emergency Call; Emergency Monitoring Station - Toshiba DKT User Manual

Advanced Operation

Echo Cancellation

➤ To call/monitor a door phone
1. With the handset off-hook, press an extension button. You hear dial tone and the
LED flashes green (in-use).
2. Press
depending on system size). A two-way talk-path exists between your telephone
and the door phone. The door phone will not ring. You can audibly monitor the
area around the door phone.
➤ To call from a door phone
1. Press the door phone button and then release it. You hear a distinctive ringing
tone–one or five times (set in system programming).
2. When answered, speak at a normal voice level in the direction of the door phone.
Echo Cancellation
➤
If you hear echo on your IPT1020-SD telephone, tap either
to cancel the echo.

Emergency Call

➤
To make an emergency call, dial

Emergency Monitoring Station

Your system may have one digital telephone assigned as an emergency monitoring
station. If your telephone has this assignment, your line LED will flash green when
someone makes a
participate in the conversation. See your System Administrator for more information
on this feature.
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(hear three tone bursts), then enter the door phone number (01~24,
call. When you answer the call, you can listen in and
.
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